body {
  margin: 0;
  padding: 0;
  font-family: Microsoft YaHei, -apple-system, BlinkMacSystemFont, Helvetica Neue, PingFang SC, WenQuanYi Micro Hei, sans-serif;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  margin: 0;
  padding: 0;
}

ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

li {
  margin: 0;
  padding: 0;
}

a {
  text-decoration: none;
}

hr {
  margin: 0;
}

input {
  margin: 0;
  padding: 0;
}

p {
  margin: 0;
  padding: 0;
}